diff options
Diffstat (limited to 'drivers/input/input.c')
-rw-r--r-- | drivers/input/input.c | 165 |
1 files changed, 78 insertions, 87 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index ccd8abafcb7..5fe75558662 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -442,7 +442,7 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han printk(KERN_ERR "input: failed to attach handler %s to device %s, " "error: %d\n", - handler->name, kobject_name(&dev->cdev.kobj), error); + handler->name, kobject_name(&dev->dev.kobj), error); return error; } @@ -471,37 +471,16 @@ static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait) return 0; } -static struct list_head *list_get_nth_element(struct list_head *list, loff_t *pos) -{ - struct list_head *node; - loff_t i = 0; - - list_for_each(node, list) - if (i++ == *pos) - return node; - - return NULL; -} - -static struct list_head *list_get_next_element(struct list_head *list, struct list_head *element, loff_t *pos) -{ - if (element->next == list) - return NULL; - - ++(*pos); - return element->next; -} - static void *input_devices_seq_start(struct seq_file *seq, loff_t *pos) { /* acquire lock here ... Yes, we do need locking, I knowi, I know... */ - return list_get_nth_element(&input_dev_list, pos); + return seq_list_start(&input_dev_list, *pos); } static void *input_devices_seq_next(struct seq_file *seq, void *v, loff_t *pos) { - return list_get_next_element(&input_dev_list, v, pos); + return seq_list_next(v, &input_dev_list, pos); } static void input_devices_seq_stop(struct seq_file *seq, void *v) @@ -527,7 +506,7 @@ static void input_seq_print_bitmap(struct seq_file *seq, const char *name, static int input_devices_seq_show(struct seq_file *seq, void *v) { struct input_dev *dev = container_of(v, struct input_dev, node); - const char *path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL); + const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); struct input_handle *handle; seq_printf(seq, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n", @@ -592,13 +571,13 @@ static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos) { /* acquire lock here ... Yes, we do need locking, I knowi, I know... */ seq->private = (void *)(unsigned long)*pos; - return list_get_nth_element(&input_handler_list, pos); + return seq_list_start(&input_handler_list, *pos); } static void *input_handlers_seq_next(struct seq_file *seq, void *v, loff_t *pos) { seq->private = (void *)(unsigned long)(*pos + 1); - return list_get_next_element(&input_handler_list, v, pos); + return seq_list_next(v, &input_handler_list, pos); } static void input_handlers_seq_stop(struct seq_file *seq, void *v) @@ -682,15 +661,17 @@ static inline int input_proc_init(void) { return 0; } static inline void input_proc_exit(void) { } #endif -#define INPUT_DEV_STRING_ATTR_SHOW(name) \ -static ssize_t input_dev_show_##name(struct class_device *dev, char *buf) \ -{ \ - struct input_dev *input_dev = to_input_dev(dev); \ - \ - return scnprintf(buf, PAGE_SIZE, "%s\n", \ - input_dev->name ? input_dev->name : ""); \ -} \ -static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL); +#define INPUT_DEV_STRING_ATTR_SHOW(name) \ +static ssize_t input_dev_show_##name(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct input_dev *input_dev = to_input_dev(dev); \ + \ + return scnprintf(buf, PAGE_SIZE, "%s\n", \ + input_dev->name ? input_dev->name : ""); \ +} \ +static DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL) INPUT_DEV_STRING_ATTR_SHOW(name); INPUT_DEV_STRING_ATTR_SHOW(phys); @@ -744,7 +725,9 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id, return len; } -static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf) +static ssize_t input_dev_show_modalias(struct device *dev, + struct device_attribute *attr, + char *buf) { struct input_dev *id = to_input_dev(dev); ssize_t len; @@ -753,13 +736,13 @@ static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf) return min_t(int, len, PAGE_SIZE); } -static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL); +static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL); static struct attribute *input_dev_attrs[] = { - &class_device_attr_name.attr, - &class_device_attr_phys.attr, - &class_device_attr_uniq.attr, - &class_device_attr_modalias.attr, + &dev_attr_name.attr, + &dev_attr_phys.attr, + &dev_attr_uniq.attr, + &dev_attr_modalias.attr, NULL }; @@ -767,13 +750,15 @@ static struct attribute_group input_dev_attr_group = { .attrs = input_dev_attrs, }; -#define INPUT_DEV_ID_ATTR(name) \ -static ssize_t input_dev_show_id_##name(struct class_device *dev, char *buf) \ -{ \ - struct input_dev *input_dev = to_input_dev(dev); \ - return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \ -} \ -static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL); +#define INPUT_DEV_ID_ATTR(name) \ +static ssize_t input_dev_show_id_##name(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct input_dev *input_dev = to_input_dev(dev); \ + return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \ +} \ +static DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL) INPUT_DEV_ID_ATTR(bustype); INPUT_DEV_ID_ATTR(vendor); @@ -781,10 +766,10 @@ INPUT_DEV_ID_ATTR(product); INPUT_DEV_ID_ATTR(version); static struct attribute *input_dev_id_attrs[] = { - &class_device_attr_bustype.attr, - &class_device_attr_vendor.attr, - &class_device_attr_product.attr, - &class_device_attr_version.attr, + &dev_attr_bustype.attr, + &dev_attr_vendor.attr, + &dev_attr_product.attr, + &dev_attr_version.attr, NULL }; @@ -813,15 +798,17 @@ static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap, return len; } -#define INPUT_DEV_CAP_ATTR(ev, bm) \ -static ssize_t input_dev_show_cap_##bm(struct class_device *dev, char *buf) \ -{ \ - struct input_dev *input_dev = to_input_dev(dev); \ - int len = input_print_bitmap(buf, PAGE_SIZE, \ - input_dev->bm##bit, ev##_MAX, 1); \ - return min_t(int, len, PAGE_SIZE); \ -} \ -static CLASS_DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL); +#define INPUT_DEV_CAP_ATTR(ev, bm) \ +static ssize_t input_dev_show_cap_##bm(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct input_dev *input_dev = to_input_dev(dev); \ + int len = input_print_bitmap(buf, PAGE_SIZE, \ + input_dev->bm##bit, ev##_MAX, 1); \ + return min_t(int, len, PAGE_SIZE); \ +} \ +static DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL) INPUT_DEV_CAP_ATTR(EV, ev); INPUT_DEV_CAP_ATTR(KEY, key); @@ -834,15 +821,15 @@ INPUT_DEV_CAP_ATTR(FF, ff); INPUT_DEV_CAP_ATTR(SW, sw); static struct attribute *input_dev_caps_attrs[] = { - &class_device_attr_ev.attr, - &class_device_attr_key.attr, - &class_device_attr_rel.attr, - &class_device_attr_abs.attr, - &class_device_attr_msc.attr, - &class_device_attr_led.attr, - &class_device_attr_snd.attr, - &class_device_attr_ff.attr, - &class_device_attr_sw.attr, + &dev_attr_ev.attr, + &dev_attr_key.attr, + &dev_attr_rel.attr, + &dev_attr_abs.attr, + &dev_attr_msc.attr, + &dev_attr_led.attr, + &dev_attr_snd.attr, + &dev_attr_ff.attr, + &dev_attr_sw.attr, NULL }; @@ -858,9 +845,9 @@ static struct attribute_group *input_dev_attr_groups[] = { NULL }; -static void input_dev_release(struct class_device *class_dev) +static void input_dev_release(struct device *device) { - struct input_dev *dev = to_input_dev(class_dev); + struct input_dev *dev = to_input_dev(device); input_ff_destroy(dev); kfree(dev); @@ -947,10 +934,10 @@ static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_ind return err; \ } while (0) -static int input_dev_uevent(struct class_device *cdev, char **envp, +static int input_dev_uevent(struct device *device, char **envp, int num_envp, char *buffer, int buffer_size) { - struct input_dev *dev = to_input_dev(cdev); + struct input_dev *dev = to_input_dev(device); int i = 0; int len = 0; @@ -988,10 +975,14 @@ static int input_dev_uevent(struct class_device *cdev, char **envp, return 0; } +static struct device_type input_dev_type = { + .groups = input_dev_attr_groups, + .release = input_dev_release, + .uevent = input_dev_uevent, +}; + struct class input_class = { - .name = "input", - .release = input_dev_release, - .uevent = input_dev_uevent, + .name = "input", }; EXPORT_SYMBOL_GPL(input_class); @@ -1010,9 +1001,9 @@ struct input_dev *input_allocate_device(void) dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL); if (dev) { - dev->cdev.class = &input_class; - dev->cdev.groups = input_dev_attr_groups; - class_device_initialize(&dev->cdev); + dev->dev.type = &input_dev_type; + dev->dev.class = &input_class; + device_initialize(&dev->dev); mutex_init(&dev->mutex); INIT_LIST_HEAD(&dev->h_list); INIT_LIST_HEAD(&dev->node); @@ -1131,17 +1122,17 @@ int input_register_device(struct input_dev *dev) list_add_tail(&dev->node, &input_dev_list); - snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id), + snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1); - if (!dev->cdev.dev) - dev->cdev.dev = dev->dev.parent; + if (dev->cdev.dev) + dev->dev.parent = dev->cdev.dev; - error = class_device_add(&dev->cdev); + error = device_add(&dev->dev); if (error) return error; - path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL); + path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); printk(KERN_INFO "input: %s as %s\n", dev->name ? dev->name : "Unspecified device", path ? path : "N/A"); kfree(path); @@ -1173,7 +1164,7 @@ void input_unregister_device(struct input_dev *dev) list_del_init(&dev->node); - class_device_unregister(&dev->cdev); + device_unregister(&dev->dev); input_wakeup_procfs_readers(); } |